Damage Identification of Cylindrical Shells Based on Mode Shapes Curvature

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JAFARZADEH AGHDAM N.; ZEHSAZ M.; SADEGHI M.

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Journal Paper

Paper Information

Journal: Journal of Applied and Computational Sciences in Mechanics Year:2019 | Volume:30 | Issue:1 (19) Page(s): 119-128

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Information Journal Paper

Title

Damage Identification of Cylindrical Shells Based on Mode Shapes Curvature

Author(s)

JAFARZADEH AGHDAM N. | ZEHSAZ M. | SADEGHI M. | Issue Writer Certificate

Keywords

Cylindrical ShellQ1

Mode Shape CurvatureQ1

Finite Element AnalysisQ2

Damage IndexQ2

Artificial Neural NetworkQ1

Abstract

Currently there are just a few papers about fault detection of tubes and Cylindrical Shells. Recently, methods based on modal curvatures have gained great attention due to their sensitivity to defects. But the methods require dense number of data extraction points which limits their industrial application. In this research a new method for damage identification of Cylindrical Shells has been introduced. The method does not need intact structure's data and in contrast to other methods requires a few data extraction points. By transferring the modal information of the structure to the ANN, output of the network is exact position of the defect on the structure and the method does not need skilled technician to interpret the data. Performance of the network is validated by unfamiliar data for the network and 0. 97 regression is obtained.

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APA: Copy

JAFARZADEH AGHDAM, N., ZEHSAZ, M., & SADEGHI, M.. (2019). Damage Identification of Cylindrical Shells Based on Mode Shapes Curvature. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), 30(1 (19) ), 119-128. SID. https://sid.ir/paper/196295/en

Vancouver: Copy

JAFARZADEH AGHDAM N., ZEHSAZ M., SADEGHI M.. Damage Identification of Cylindrical Shells Based on Mode Shapes Curvature. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2019;30(1 (19) ):119-128. Available from: https://sid.ir/paper/196295/en

IEEE: Copy

N. JAFARZADEH AGHDAM, M. ZEHSAZ, and M. SADEGHI, “Damage Identification of Cylindrical Shells Based on Mode Shapes Curvature,” JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), vol. 30, no. 1 (19) , pp. 119–128, 2019, [Online]. Available: https://sid.ir/paper/196295/en

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